Peter Pappas

Peter Pappas received his undergraduate and graduate degrees from the Pennsylvania State University. His principal research interest is algebra, specifically group rings and topological representations of algebras. Other interests include mathematical logic and number theory.

Representative publications include:

• Self-adjoint idempotents of C[G], J. Alg., 102 (1986) 237-245.
• A note on the support of units in group rings, J. Pure Appl. Alg., 52 (1988) 127-131.
• Separation theorems for infinite permutation groups, (with M. J. Tomkinson and Zoe Chatzidakis) Bull. London. Math. Soc., 22 (1990), 344-348.
• Units in abelian group rings, (with Zoe Chatzidakis) J. London. Math. Soc. 44 (1991) 9-23.
• Topological representations of abelian group rings, (with Zoe Chatzidakis) Proc. London. Math. Soc. 63 (1991) 495-518.
• Von Neumann regular group rings not representable as rings of continuous functions (with Zoe Chatzidakis) Alg. Universalis 29 (1992) 332-337.
• On the splitting group basis problem for abelian group rings, (with Zoe Chatzidakis) J. Pure Appl. Alg. 78 (1992) 15-26.
• A note on the isomorphism problem for SK[G], (with Zoe Chatzidakis), preprint.
• On the support of *-symmetric units in group algebras, submitted to Comm. in Alg.
• Bounding units in group rings, (with Joel Friedman and Lisa Gustavson) to appear in Comm. in Alg.
• A weak Dirichlet's theorem and unique-factorization monoids of integers, to be submitted to Amer. Math. Monthly.

Peter's hero

Office: Rockefeller 406
Phone: (914) 437-5523